Takes place over four hours on Wednesday evening.
A stress test for Guild Wars 2 will take place on Wednesday, June 27, ArenaNet has announced.
The servers will be open from 6pm BST until 10pm BST, with all accounts from the beta weekend able to log in.
In order to take part simply update your Guild Wars 2 client and log-in using existing details.
Guild Wars 2 is set to launch later this year.